1/28/2004 slide 19
Eye-Brain
System Powerful—e.g., Parallel
Preconscious Processing
•We preconsciously
(aka preattentively) process whole
“fields” of certain types of visual information
all at once, i.e., in parallel
–Don’t have to search sequentially through each visual object to see “pop outs”
Adapted from Visual Computing [Friedhoff and Peercy
2000], p. 127. and [Palmer 1999] p554.
Response time same
regardless of # of elements
Response increases
with # of elements
